What is the result of using a VPAID tag instead of a VAST tag when running video ads?

What is the result of using a VPAID tag instead of a VAST tag when running video ads?

More available inventory across all devices

Less functionality for engagement and interaction with ad

Less available inventory across all devices

The ability to run on TrueView inventory

Explanation:

Display & Video 360 supports HTML5 VPAID using the VPAID 2.0 specification. Display & Video 360 does not support direct upload of VPAID creatives. VPAID creatives must be uploaded in Studio and synced through Campaign Manager. IF VPAID is used, you will get less available inventory across all devices.